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From "Marcelo Masiero Vanzin (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-30277) NoSuchMethodError in Spark 3.0.0-preview with Delta Lake
Date Tue, 17 Dec 2019 03:00:09 GMT

     [ https://issues.apache.org/jira/browse/SPARK-30277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcelo Masiero Vanzin resolved SPARK-30277.
--------------------------------------------
    Resolution: Not A Problem

That's a internal Spark class, which means that if there is a problem, it's not in Spark.

> NoSuchMethodError in Spark 3.0.0-preview with Delta Lake
> --------------------------------------------------------
>
>                 Key: SPARK-30277
>                 URL: https://issues.apache.org/jira/browse/SPARK-30277
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0
>         Environment: Spark: 3.0.0-preview-bin-hadoop2.7
> Delta Lake: 0.5.0_2.12
> Java: 1.8.0_171
>            Reporter: Victor Zhang
>            Priority: Major
>
> Open spark shell with delta lake packages:
> {code:java}
> bin/spark-shell --master local --packages io.delta:delta-core_2.12:0.5.0{code}
> Create a delta table:
> {code:java}
> spark.range(5).write.format("delta").save("/tmp/delta-table1")
> {code}
> Throws NoSuchMethodException.
> {code:java}
> com.google.common.util.concurrent.ExecutionError: java.lang.NoSuchMethodError: org.apache.spark.util.Utils$.classForName(Ljava/lang/String;)Ljava/lang/Class;
>   at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2261)
>   at com.google.common.cache.LocalCache.get(LocalCache.java:4000)
>   at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4789)
>   at org.apache.spark.sql.delta.DeltaLog$.apply(DeltaLog.scala:740)
>   at org.apache.spark.sql.delta.DeltaLog$.forTable(DeltaLog.scala:702)
>   at org.apache.spark.sql.delta.sources.DeltaDataSource.createRelation(DeltaDataSource.scala:126)
>   at org.apache.spark.sql.execution.datasources.SaveIntoDataSourceCommand.run(SaveIntoDataSourceCommand.scala:46)
>   at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:71)
>   at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:69)
>   at org.apache.spark.sql.execution.command.ExecutedCommandExec.doExecute(commands.scala:87)
>   at org.apache.spark.sql.execution.SparkPlan.$anonfun$execute$1(SparkPlan.scala:189)
>   at org.apache.spark.sql.execution.SparkPlan.$anonfun$executeQuery$1(SparkPlan.scala:227)
>   at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
>   at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:224)
>   at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:185)
>   at org.apache.spark.sql.execution.QueryExecution.toRdd$lzycompute(QueryExecution.scala:110)
>   at org.apache.spark.sql.execution.QueryExecution.toRdd(QueryExecution.scala:109)
>   at org.apache.spark.sql.DataFrameWriter.$anonfun$runCommand$1(DataFrameWriter.scala:829)
>   at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$4(SQLExecution.scala:100)
>   at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:160)
>   at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:87)
>   at org.apache.spark.sql.DataFrameWriter.runCommand(DataFrameWriter.scala:829)
>   at org.apache.spark.sql.DataFrameWriter.saveToV1Source(DataFrameWriter.scala:309)
>   at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:293)
>   at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:236)
>   ... 47 elided
> Caused by: java.lang.NoSuchMethodError: org.apache.spark.util.Utils$.classForName(Ljava/lang/String;)Ljava/lang/Class;
>   at org.apache.spark.sql.delta.storage.LogStoreProvider.createLogStore(LogStore.scala:122)
>   at org.apache.spark.sql.delta.storage.LogStoreProvider.createLogStore$(LogStore.scala:120)
>   at org.apache.spark.sql.delta.DeltaLog.createLogStore(DeltaLog.scala:58)
>   at org.apache.spark.sql.delta.storage.LogStoreProvider.createLogStore(LogStore.scala:117)
>   at org.apache.spark.sql.delta.storage.LogStoreProvider.createLogStore$(LogStore.scala:115)
>   at org.apache.spark.sql.delta.DeltaLog.createLogStore(DeltaLog.scala:58)
>   at org.apache.spark.sql.delta.DeltaLog.<init>(DeltaLog.scala:79)
>   at org.apache.spark.sql.delta.DeltaLog$$anon$3.$anonfun$call$2(DeltaLog.scala:744)
>   at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper$.allowInvokingTransformsInAnalyzer(AnalysisHelper.scala:194)
>   at org.apache.spark.sql.delta.DeltaLog$$anon$3.$anonfun$call$1(DeltaLog.scala:744)
>   at com.databricks.spark.util.DatabricksLogging.recordOperation(DatabricksLogging.scala:77)
>   at com.databricks.spark.util.DatabricksLogging.recordOperation$(DatabricksLogging.scala:67)
>   at org.apache.spark.sql.delta.DeltaLog$.recordOperation(DeltaLog.scala:671)
>   at org.apache.spark.sql.delta.metering.DeltaLogging.recordDeltaOperation(DeltaLogging.scala:103)
>   at org.apache.spark.sql.delta.metering.DeltaLogging.recordDeltaOperation$(DeltaLogging.scala:89)
>   at org.apache.spark.sql.delta.DeltaLog$.recordDeltaOperation(DeltaLog.scala:671)
>   at org.apache.spark.sql.delta.DeltaLog$$anon$3.call(DeltaLog.scala:743)
>   at org.apache.spark.sql.delta.DeltaLog$$anon$3.call(DeltaLog.scala:740)
>   at com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4792)
>   at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3599)
>   at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2379)
>   at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2342)
>   at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2257)
>   ... 71 more
> {code}
> In Delta Lake LogStore.scala
> {code:java}
> val logStoreClass = Utils.classForName(logStoreClassName)
> {code}
> In Spark Utils.scala
> {code:java}
> def classForName[C](
>     className: String,
>     initialize: Boolean = true,
>     noSparkClassLoader: Boolean = false): Class[C] = {
> ...
> }{code}
> The code seems to be fine.
>  



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